GeForce 920MX vs Radeon RX 550X

When choosing between GeForce 920MX and Radeon RX 550X, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce 920MX and Radeon RX 550X.

GeForce 920MX is a Laptop Graphics Card

Note: GeForce 920MX is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with GeForce 920MX here:

Main Specs

  GeForce 920MX Radeon RX 550X
Power consumption (TDP) 16 Watt 50 Watt
Interface PCIe 3.0 x8 PCIe 3.0 x8
Supplementary power connectors None None
Memory type DDR3, GDDR5 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors No outputs 1x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon RX 550X has 212% more power consumption, than GeForce 920MX.
  • Both video cards are using PCIe 3.0 x8 interface connection to a motherboard.
  • Radeon RX 550X has 2 GB more memory, than GeForce 920MX.
  • GeForce 920MX is used in Laptops, and Radeon RX 550X - in Desktops.
  • GeForce 920MX is build with Maxwell architecture, and Radeon RX 550X - with GCN 4.0.
  • Core clock speed of Radeon RX 550X is 135 MHz higher, than GeForce 920MX.
  • GeForce 920MX is manufactured by 28 nm process technology, and Radeon RX 550X - by 14 nm process technology.
  • Memory clock speed of Radeon RX 550X is 4200 MHz higher, than GeForce 920MX.

Game benchmarks

high / 1080p 2−3 10−11
ultra / 1080p 0−1 6−7
QHD / 1440p 0−1 0−1
low / 720p 12−14 21−24
medium / 1080p 3−4 12−14
The average gaming FPS of Radeon RX 550X in Assassin's Creed Odyssey is 150% more, than GeForce 920MX.

Full Specs

  GeForce 920MX Radeon RX 550X
Architecture Maxwell GCN 4.0
Code name N16V-GMR Lexa
Type Laptop Desktop
Release date 25 March 2015 16 December 2018
Pipelines 256 512
Core clock speed 965 MHz 1100 MHz
Boost Clock 993 MHz 1183 MHz
Transistor count 2,200 million
Manufacturing process technology 28 nm 14 nm
Texture fill rate 23.83 37.86
Floating-point performance 602.1 gflops 1,211 gflops
Length 145 mm
Memory bus width 64 Bit 128 Bit
Memory clock speed 1800 MHz 6000 MHz
Memory bandwidth 14.4 GB/s 96 GB/s
Shared memory -
DirectX 12 (11_0) 12 (12_0)
Shader Model 5.1 6.4
OpenGL 4.5 4.6
OpenCL 1.2 2.0
Vulkan 1.1.126 1.2.131
CUDA +
Bus support PCI Express 3.0
Optimus +
GPU Boost 2.0
GameWorks +
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